Observation of the Φ (1680) and the Y(2175) in e+e-→Φ π+π
Shen, C.P.; Yuan, C.Z.; Wang, P.; Wang, X.L.; Adachi, I.; Aihara, H.; Arinstein, K.; Aulchenko, V.; Bakich, A.M.; Barberio, E.; Belous, K.; Bischofberger, M.; Bondar, A.; Bračko, M.; Browder, T.E.; Chang, P.; Chen, A.; Cheon, B.G.; Chistov, R.; Cho, I.-S.; Choi, S.-K.; Choi, Y.; Crnkovic, J.; Dalseno, J.; Danilov, M.; Dash, M.; Dungel, W.; Eidelman, S.; Epifanov, D.; Gabyshev, N.; Garmash, A.; Goldenzweig, P.; Ha, H.; Hayasaka, K.; Hayashii, H.; Horii, Y.; Hoshi, Y.; Hou, W.-S.; Hyun, H.J.; Iijima, T.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kang, J.H.; Kapusta, P.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H.O.; Kim, J.H.; Kim, Y.I.; Kim, Y.J.; Ko, B.R.; Korpar, S.; Kreps, M.; Križan, P.; Krokovny, P.; Kuehn, W.; Kumar, R.; Kuzmin, A.; Kwon, Y.-J.; Kyeong, S.-H.; Lange, J.S.; Lee, M.J.; Lee, S.-H.; Lesiak, T.; Li, J.; Limosani, A.; Liu, C.; Liventsev, D.; Louvot, R.; Mandl, F.; Matyja, A.; McOnie, S.; Miyabayashi, K.; Miyata, H.; Nagasaka, Y.; Nakano, E.; Nakao, M.; Nishida, S.; Nishimura, K.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S.L.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, C.W.; Park, H.; Park, H.K.; Piilonen, L.E.; Poluektov, A.; Sahoo, H.; Sakai, K.; Sakai, Y.; Schneider, O.; Schwanda, C.; Senyo, K.; Sevior, M.E.; Shebalin, V.; Shiu, J.-G.; Shwartz, B.; Singh, J.B.; Sokolov, A.; Stanič, S.; Starič, M.; Sumiyoshi, T.; Taylor, G.N.; Teramoto, Y.; Trabelsi, K.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Varner, G.; Vervink, K.; Vinokurova, A.; Wang, C.H.; Wang, M.-Z.; Watanabe, Y.; Wedd, R.; Won, E.; Yabsley, B.D.; Yamashita, Y.; Zhang, C.C.; Zhang, Z.P.; Zhilich, V.; Zhulanov, V.; Zivko, T.; Zupanc, A.; Zyukova, O.
2009
Abstract
The cross sections for e+e-→Φ π+π- and e+e-→Φ f0(980) are measured from threshold to s=3.0GeV using initial-state radiation. The analysis is based on a data sample of 673fb-1 collected on and below the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. First measurements are reported for the resonance parameters of the Φ (1680) in the Φ π+π- mode: m=(1689±7±10)MeV/c2 and Γ=(211±14±19)MeV/c2. A structure at s=2.1GeV/c2, corresponding to the so called Y(2175), is observed; its mass and width are determined to be (2079±13-28+79)MeV/c2 and (192±23-61+25)MeV/c2, respectively. © 2009 The American Physical Society.
Details
Title
Observation of the Φ (1680) and the Y(2175) in e+e-→Φ π+π
Author(s)
Shen, C.P. ; Yuan, C.Z. ; Wang, P. ; Wang, X.L. ; Adachi, I. ; Aihara, H. ; Arinstein, K. ; Aulchenko, V. ; Bakich, A.M. ; Barberio, E. ; Belous, K. ; Bischofberger, M. ; Bondar, A. ; Bračko, M. ; Browder, T.E. ; Chang, P. ; Chen, A. ; Cheon, B.G. ; Chistov, R. ; Cho, I.-S. ; Choi, S.-K. ; Choi, Y. ; Crnkovic, J. ; Dalseno, J. ; Danilov, M. ; Dash, M. ; Dungel, W. ; Eidelman, S. ; Epifanov, D. ; Gabyshev, N. ; Garmash, A. ; Goldenzweig, P. ; Ha, H. ; Hayasaka, K. ; Hayashii, H. ; Horii, Y. ; Hoshi, Y. ; Hou, W.-S. ; Hyun, H.J. ; Iijima, T. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwasaki, M. ; Iwasaki, Y. ; Kang, J.H. ; Kapusta, P. ; Kawai, H. ; Kawasaki, T. ; Kichimi, H. ; Kim, H.O. ; Kim, J.H. ; Kim, Y.I. ; Kim, Y.J. ; Ko, B.R. ; Korpar, S. ; Kreps, M. ; Križan, P. ; Krokovny, P. ; Kuehn, W. ; Kumar, R. ; Kuzmin, A. ; Kwon, Y.-J. ; Kyeong, S.-H. ; Lange, J.S. ; Lee, M.J. ; Lee, S.-H. ; Lesiak, T. ; Li, J. ; Limosani, A. ; Liu, C. ; Liventsev, D. ; Louvot, R. ; Mandl, F. ; Matyja, A. ; McOnie, S. ; Miyabayashi, K. ; Miyata, H. ; Nagasaka, Y. ; Nakano, E. ; Nakao, M. ; Nishida, S. ; Nishimura, K. ; Nitoh, O. ; Ogawa, S. ; Ohshima, T. ; Okuno, S. ; Olsen, S.L. ; Ozaki, H. ; Pakhlov, P. ; Pakhlova, G. ; Park, C.W. ; Park, H. ; Park, H.K. ; Piilonen, L.E. ; Poluektov, A. ; Sahoo, H. ; Sakai, K. ; Sakai, Y. ; Schneider, O. ; Schwanda, C. ; Senyo, K. ; Sevior, M.E. ; Shebalin, V. ; Shiu, J.-G. ; Shwartz, B. ; Singh, J.B. ; Sokolov, A. ; Stanič, S. ; Starič, M. ; Sumiyoshi, T. ; Taylor, G.N. ; Teramoto, Y. ; Trabelsi, K. ; Uehara, S. ; Uglov, T. ; Unno, Y. ; Uno, S. ; Urquijo, P. ; Usov, Y. ; Varner, G. ; Vervink, K. ; Vinokurova, A. ; Wang, C.H. ; Wang, M.-Z. ; Watanabe, Y. ; Wedd, R. ; Won, E. ; Yabsley, B.D. ; Yamashita, Y. ; Zhang, C.C. ; Zhang, Z.P. ; Zhilich, V. ; Zhulanov, V. ; Zivko, T. ; Zupanc, A. ; Zyukova, O.
Published in
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume
80
Issue
3
Pages
031101
Date
2009
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LPHE
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Scientific production and competences > SB - School of Basic Sciences > IPHYS - Institute of Physics > LPHE - High Energy Physics Laboratory
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Record creation date
2010-11-05